Nielsen Hayden genealogy
Joan Stafford
- Bef 1485(
= Descendancy chart to this point, 
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- 1 Joan Stafford [1] d. Bef 1485
- William Knyvet b. Between 1440 and 1441 d. 25 Nov 1515
- 2 Charles Knyvet [1.1]
- (Unknown wife of Charles Knyvet)
- 3 Elizabeth Knyvet [1.1.1] d. Aft 7 Mar 1559
- Richard Fitzwilliam d. Bef 1559
- 4 Margaret Fitzwilliam [1.1.1.1] d. Aft 1571
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- 4 Margaret Fitzwilliam [1.1.1.1]
- 3 Elizabeth Knyvet [1.1.1]
- Anne Lacy d. Between 16 Jan 1562 and 10 Mar 1562
- 3 Ann Knyvet [1.1.2] d. Aft 1571
- + Leonard Irby d. 1571
- + Leonard Irby d. 1571
- 3 Ann Knyvet [1.1.2]
- 2 Charles Knyvet [1.1]